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Chd|====================================================================
Chd|  TAG_NODE_FROM_SPRING          source/model/sets/tag_node_from_spring.F
Chd|-- called by -----------
Chd|        CREATE_NODE_FROM_ELEMENT      source/model/sets/create_node_from_element.F
Chd|-- calls ---------------
Chd|====================================================================
      SUBROUTINE TAG_NODE_FROM_SPRING(IXR,GEO,NUMELR,ELEM,TAGNOD,CLAUSE_NODE,IND)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "param_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER IXR(NIXR,*),NUMELR,TAGNOD(*),ELEM(*)
      my_real
     .      GEO(NPROPG,*)
      INTEGER CLAUSE_NODE(*),IND
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,II,L,NIX2,IPIDT
C=======================================================================
      DO I=1,NUMELR
        II=ELEM(I)
        IPIDT = NINT(GEO(12,IXR(1,II)))
        IF (IPIDT == 12 .AND. IXR(4,II)/=0) THEN
          NIX2=4
        ELSE
          NIX2=3
        ENDIF
        DO L=2,NIX2
          IF(TAGNOD(IXR(L,II)) ==0)THEN
            TAGNOD(IXR(L,II)) = 1 ! add nodes
            IND=IND+1
            CLAUSE_NODE(IND)=IXR(L,II)
          ENDIF
        ENDDO
      ENDDO
C-----------
      RETURN
      END
